Keyboard



FIG. 1 is a perspective view of a keyboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right side elevational view thereof, wherein the leg portion is in the extending position; and,

FIG. 9 is an enlarged partial perspective view taken along the line 9—9 of FIG. 7, wherein the leg portion is in the extending position as shown in FIG. 8. 

The ornamental design for a keyboard, as shown and described. 